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Finding the Fourth Proportional to 70,050.80, 105,075.20 and 32,589.92

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Solution

The fourth proportional to 70,050.80, 105,075.20 and 32,589.92 is: 48,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,050.80 : 105,075.20 = 32,589.92 : x
  2. Step 2: Convert to fraction form
    70,050.80/105,075.20 = 32,589.92/x
  3. Step 3: Cross multiply
    70,050.80x = 105,075.20 × 32,589.92
  4. Step 4: Simplify right side
    70,050.80x = 3,424,392,706.15
  5. Step 5: Solve for x
    x = 3,424,392,706.15/70,050.80
  6. Step 6: Final answer
    x = 48,884.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.